A 2.5MHz 55dB switched-current bandpass ΣΔ modulator for AM signal conversion

Abstract

We present a Switched-Current (SI) fourth-order bandpass ΣΔ modulator IC prototype. It uses fully-differential circuits in 0.8µm CMOS technology to obtain a Dynamic Range (DR) larger than 55dB at 2.5MHz center frequency with 30kHz bandwidth - in accordance to the requirements of AM digital receivers. The prototype incorporates a single-ended… (More)

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Cite this paper

@article{Rosa1997A25, title={A 2.5MHz 55dB switched-current bandpass ΣΔ modulator for AM signal conversion}, author={J. M. de la Rosa and Bel{\'e}n P{\'e}rez-Verd{\'u} and Fernando Medeiro and {\'A}ngel Rodr{\'i}guez-V{\'a}zquez}, journal={Proceedings of the 23rd European Solid-State Circuits Conference}, year={1997}, pages={156-159} }